The following highways are numbered 256:
Canada Manitoba Provincial Road 256 Prince Edward Island Route 256 Nova Scotia Route 256
Costa Rica National Route 256
Japan Japan National Route 256
United Kingdom road B256 road
United States California State Route 256 (former) Colorado State Highway 256 Georgia State Route 256 Indiana State Road 256 K-256 (Kansas highway) Kentucky Route 256 Maryland Route 256 Minnesota State Highway 256 Montana Secondary Highway 256 New Mexico State Road 256 New York State Route 256 North Dakota Highway 256 Ohio State Route 256 Pennsylvania Route 256 (former) Tennessee State Route 256 Texas State Highway 256 Texas State Highway Loop 256 Farm to Market Road 256 (Texas) Utah State Route 256 Virginia State Route 256 Wyoming Highway 256